Home / 18,384-39,744

Finding the Third Proportional to 18,384 and 39,744

Calculator

Solution

The third proportional to 18,384 and 39,744 is: 85,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384 : 39,744 = 39,744 : x
  2. Step 2: Convert to fraction form
    18,384/39,744 = 39,744/x
  3. Step 3: Cross multiply
    18,384x = 39,744 × 39,744
  4. Step 4: Simplify right side
    18,384x = 1,579,585,536
  5. Step 5: Solve for x
    x = 1,579,585,536/18,384
  6. Step 6: Final answer
    x = 85,921.75

Related Problems

Find third proportional to 9,192 and 19,872
Half scale
Find third proportional to 36,768 and 79,488
Double scale
Find third proportional to 18,386 and 39,748
Similar ratio
Find third proportional to 27,576 and 59,616
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.